<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>class1</title>
		<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
	</head>

	<body>
		<div id="app">  </div>
		<script>
		new Vue({
				el: "#app",
				data: {
					msg: "hello"
				}
			})
		</script>


	</body>
</html>
